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perhaps the pi 1st/2nd gen?

I'd thought of the ESP32 devices but their RAM is too small

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Pi 1 is too easy. My PicoLM [fork] already runs on it.

It also runs on MS-DOS 80386 2MB RAM, so...

And iPhone 1. And Digital UNIX.

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> a more challenging device

A Playdate

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> I want a more challenging device, what do you think?

One of those vapes with a screen on it.

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challenge accepted.
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